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ICP-MS duplicate analysis report, Dec 26, 2001

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Laboratory summary report of duplicate sample AD29286DUP tested December 26, 2001, showing concentrations for Beryllium, Scandium, and Vanadium.

NYC-WTC_000085069–000085185

Folder label: “NEWE 12/26/01 29286 - 31380”

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NYC 9/11 Public Portal Document

Method 200.8 - Summary Report Sample ID: LFB Sample Date/Time: Wednesday, December 26, 2001 14:37:03 Sample Type: Sample Sample Description: 50 PPB Number of Replicates: 3 Batch ID: Method File: d:\Elandata\Method\NEWE200.8. mth Dataset File: d:\Elandata\Dataset\daily performance\LFB.1441 Sample Prep Volume (ml): Initial Sample Quantity (mg): Aliquot Volume (ml): Diluted To Volume (mL):

Concentration Results Analyte Mass Meas. Intens. Mean Meas. Intens. RSD Net Intens. Mean Cone. Mean Cone. RSD Sample Unit r Be 9 28235.071 1.898 0.042 52.42853 2.02 ug/L I: Se-I 45 671962.468 1.443 671962.468 ug/L V 51 734759.259 2.608 1.092 51.52878 1.17 mg/L L Mn 55 988441.762 1.821 1.470 51.16430 1.35 ug/L r> In 115 1540485.635 0.950 1540485.635 ug/L I Sb 121 500628.863 0.340 0.325 50.36720 0.80 ug/L L Sb 123 385484.633 0.693 0.250 50.20661 0.27 ug/L r> Ho 165 1879566.850 1.503 1879566.850 ug/L L Tl 205 1594329.491 2.338 0.848 49.86670 0.89 ug/L

QC Calculated Values Analyte Mass QC Std % Recovery Int Std % Recovery Spike % Recovery Dilution % Diff Dup. Rei. % Diff r Be 9 |> Sc-1 45 91.756 I V 51 L Mn 55 r> In 115 92.514 I Sb 121 L Sb 123 r> Ho 165 99.039 L Tl 205

NYC-WTC_000085140

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ICP-MS summary report, Jan 14 2002 · Box DEP Box 66

NYC-WTC_000085539

Method 200.8 laboratory summary report listing elemental concentrations including Beryllium, Scandium, Manganese, Indium, and Antimony.

1 shared topics · Same agency, volume and box · similarity 0.992

machine-extracted · confidence unavailable · Check page ↗
ICP-MS summary report, Jan 18 2002 · Box DEP Box 66

NYC-WTC_000085865

Method 200.8 laboratory summary report listing elemental concentrations including Beryllium, Scandium, Manganese, Indium, and Antimony.

1 shared topics · Same agency, volume and box · similarity 0.992

machine-extracted · confidence unavailable · Check page ↗

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